Based on the novel Schloss Gripsholm by German writer Kurt Tucholsky, the story takes place at the brink of Nazi Germany and is a moving portrayal of how relationships can be reshaped due to external forces. Controversial Jewish journalist Kurt (Ulrich Noethen) travels to the castle of Gripsholm in Sweden along with his girlfriend Lydia (Heike Makatsch). The trip planned for five weeks turns out to be the summer of a lifetime and soon the pair are joined by their two friends Karl (Marcus Thomas) and Berlin cabaret performer Billie (Jasmin Tabatabai). However it soon becomes apparent that their carefree lives won’t last forever and friendships begin to fall apart when Kurt hears news he is being pursued by the army of the German Reich.